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Lee, Young Jin,Jung, Eun Joo,Lee, Seung Heon,Lee, Young-Min,Kim, Bomi,Choi, Seok Jin,Jeong, Dae Hoon,Lee, Hyun-Kyung The Korean Academy of Tuberculosis and Respiratory 2012 Tuberculosis and Respiratory Diseases Vol.73 No.1
A patient who has multiple lung masses with a history of malignancy in organs other than the lung is more likely to be diagnosed with metastatic rather than primary lung cancer. Rarely, metastatic cancer can coexist with primary. We experienced a case of concurrent diagnosis of primary small cell lung cancer and pulmonary metastasis of uterine malignant mixed M$\ddot{u}$llerian tumor (MMMT). The patient was a 52-year-old female with femur fracture and multiple lung masses with a history of an operation for uterine MMMT. The small cell lung cancer was diagnosed by bronchoscopic biopsy. The central lung mass decreased after chemotherapy for small cell lung cancer but multiple peripheral masses increased. A percutaneous biopsy for one of peripheral masses revealed metastatic uterine MMMT. We suggest that we have to consider the possible presence of concomitant malignancies of different origins in one organ especially with patients who had a history of malignancy in another organ.
Inactivation of Norovirus by Lemongrass Essential Oil Using a Norovirus Surrogate System
Kim, Ye Won,You, Hyun Ju,Lee, Soyoung,Kim, Bomi,Kim, Do Kyung,Choi, Joo-Bong,Kim, Ji-Ah,Lee, Hee Jung,Joo, In Sun,Lee, Jeong Su,Kang, Dong Hyun,Lee, Giljae,Ko, Gwang Pyo,Lee, Sung-Joon ational Association for Food Protection 2017 Journal of food protection Vol.80 No.8
<B>ABSTRACT</B><P>This study investigated the effect of lemongrass essential oil (LGEO) on the infectivity and viral replication of norovirus. Murine norovirus 1 (MNV-1), a surrogate of human norovirus, was preincubated with LGEO and then used to infect RAW 264.7 cells in a plaque reduction assay. LGEO exhibited a significant reduction in MNV-1 plaque formation in both time- and dose-dependent manners. The quantification of viral genome by quantitative real-time PCR showed similar results in line with those of the plaque reduction assay. It was revealed that citral, a single compound in LGEO, showed dramatic reduction in MNV-1 infectivity (−73.09% when using a treatment of 0.02%, v/v). The inhibitory activity of LGEO on viral replication was further investigated in HG23 cells that harbored a human norovirus replicon. LGEO treatment significantly reduced viral replication in HG23 cells, which suggests that LGEO may have dual inhibitory activities that inactivate viral coat proteins required for viral infection and suppress norovirus genome replication in host cells. In animal experiments, oral administration of murine norovirus preincubated with LGEO significantly suppressed virus infectivity in vivo. Collectively, these results suggest that LGEO, in particular the LGEO component citral, inactivates the norovirus and its subsequent replication in host cells. Thus, LGEO shows promise as a method of inhibiting norovirus within the food industry.</P>
Cancer risk based on alcohol consumption levels: a comprehensive systematic review and meta-analysis
Seunghee Jun(Seunghee Jun),Hyunjin Park(Hyunjin Park),Ui-Jeong Kim(Ui-Jeong Kim),Eun Jeong Choi(Eun Jeong Choi),Hye Ah Lee(Hye Ah Lee),Bomi Park(Bomi Park),Soon Young Lee(Soon Young Lee),Sun Ha Jee(Su 한국역학회 2023 Epidemiology and Health Vol.45 No.-
OBJECTIVES: Alcohol consumption is a well-established risk factor for cancer. Despite extensive research into the relationship between alcohol consumption and cancer risk, the effect of light alcohol consumption on cancer risk remains a topic of debate. To contribute to this discourse, we conducted a comprehensive systematic review and meta-analysis. METHODS: Our systematic review aimed to investigate the associations between different levels of alcohol consumption and the risk of several cancer types. We focused on analyzing prospective associations using data from 139 cohort studies. Among them, 106 studies were included in the meta-analysis after a quantitative synthesis. RESULTS: Our analysis did not find a significant association between light alcohol consumption and all-cause cancer risk (relative risk, 1.02; 95% confidence interval, 0.99 to 1.04), but we observed a dose-response relationship. Light alcohol consumption was significantly associated with higher risks of esophageal, colorectal, and breast cancers. Light to moderate drinking was associated with elevated risks of esophageal, colorectal, laryngeal, and breast cancers. Heavy drinking was also found to contribute to the risk of stomach, liver, pancreas, and prostate cancers, thereby increasing the risk of almost all types of cancer. Additionally, females generally had lower cancer risks compared to males. CONCLUSIONS: Our findings highlight that cancer risks extend beyond heavy alcohol consumption to include light alcohol consumption as well. These findings suggest that there is no safe level of alcohol consumption associated with cancer risk. Our results underscore the importance of public health interventions addressing alcohol consumption to mitigate cancer risks.
Lee, Seunghyun,Lee, Changkyu,Kim, Bomi,Thao, Le Quang,Lee, Eun Seong,Kim, Jong Oh,Oh, Kyung Taek,Choi, Han-Gon,Youn, Yu Seok Elsevier 2016 Colloids and Surfaces B Vol.147 No.-
<P><B>Abstract</B></P> <P>Albumin has been viewed as one of the most attractive biomacromolecules for making nanoparticulate systems due to its biocompatibility and chemical functionality. Thus far, albumin nanoparticles (NPs) are prepared by several limited methods, such as, desolvation, emulsification or high-pressure homogenization. In this article, we introduce a new albumin NPs prototype fabricated <I>via</I> a ‘host’ (β-cyclodextrin)-‘guest’ (adamantane) supramolecular association. These NPs (GC-CD/HSA-ADA NPs) consisted of β-cyclodextrin-modified glycol chitosan (GC-CD) and adamantane-conjugated human serum albumin (HSA-ADA) (GC-CD/HSA-ADA NPs) that were facilely prepared by a consequent dropwise mixing and sonication method. Doxorubicin-loaded GC-CD/HSA-ADA NPs exhibited an appropriate particle size (∼260nm), good physicochemical stability (∼48h), significant HCT116 cell cytotoxicity (IC<SUB>50</SUB>: 0.32μg/ml) and cell internalization. Furthermore, GC-CD/HSA-ADA NPs showed excellent tumor targetability probably due to gp60-mediated transcytosis mechanism because it was markedly accumulated in the tumor site of a HCT116 cell-xenograft mouse. Based on these results, these albumin NPs will be promising for a new NP platform that can be applied for cancer therapy or imaging.</P> <P><B>Highlights</B></P> <P> <UL> <LI> We developed a new prototype of self-assembled albumin nanoparticles. </LI> <LI> The nanoparticles consisted of cyclodextrin-glycol chitosan and adamantane-albumin. </LI> <LI> The nanoparticles were formed <I>via</I> supramolecular cyclodextrin-adamantane association. </LI> <LI> The nanoparticles exhibited remarkable targetability in the HCT116 xenograft tumors. </LI> <LI> These new albumin nanoparticles would be potential as a theranostic carrier. </LI> </UL> </P> <P><B>Graphical abstract</B></P> <P>[DISPLAY OMISSION]</P>
Chameleon-Inspired Mechanochromic Photonic Films Composed of Non-Close-Packed Colloidal Arrays
Lee, Gun Ho,Choi, Tae Min,Kim, Bomi,Han, Sang Hoon,Lee, Jung Min,Kim, Shin-Hyun American Chemical Society 2017 ACS NANO Vol.11 No.11
<P>Chameleons use a non-close-packed array of guanine nanocrystals in iridophores to develop and tune skin colors in the full visible range. Inspired by the biological process uncovered in panther chameleons, we designed photonic films containing a non-close-packed face-centered-cubic array of silica particles embedded in an elastomer. The non-close-packed array is formed by interparticle repulsion exerted by solvation layers on the particle surface, which is rapidly captured in the elastomer by photocuring of the dispersion medium. The artificial skin exhibits a structural color that shifts from red to blue under stretching or compression. The separation between inelastic particles enables tuning without experiencing significant rearrangement of particles, providing elastic deformation and reversible color change, as chameleons do. The simple fabrication procedure consists of film casting and UV irradiation, potentially enabling the continuous high-throughput production. The mechanochromic property of the photonic films enables the visualization of deformation or stress with colors, which is potentially beneficial for various applications, including mechanical sensors, sound–vision transformers, and color display.</P><P><B>Graphic Abstract</B> <IMG SRC='http://pubs.acs.org/appl/literatum/publisher/achs/journals/content/ancac3/2017/ancac3.2017.11.issue-11/acsnano.7b05885/production/images/medium/nn-2017-05885x_0005.gif'></P><P><A href='http://pubs.acs.org/doi/suppl/10.1021/nn7b05885'>ACS Electronic Supporting Info</A></P>
Lactic Acid Bacteria Increase Antiallergic Effect of Artemisia princeps Pampanini SS-1
Lee, Seung-Hoon,Shin, Yong-Wook,Bae, Eun-Ah,Lee, Bomi,Min, Sungwon,Baek, Nam-In,Chung, Hae-Gon,Kim, Nam-Jae,Kim, Dong-Hyun 경희대학교 동서의학연구소 2006 東西醫學硏究所 論文集 Vol.2006 No.-
Artemisia princeps Pampanini, which is called Ssajuarissuk in Korean (SS-1), was fermented with lactic acid bacteria (LAB) and their passive cutaneous anaphylaxis reaction-inhibitory activity was investigated. Of these fermented agents, SS-1 extract fermented with Bifidobacterium infantis K-525 (F-SS-1) most effectively inhibited the release of β-hexosamindase from RBL-2H3 cells induced IgE. In IgE-induced RBL-2H3 cells, F-SS-1 inhibited proinflammatory cytokines IL-6 and TNF-α mRNA expression. Oral administration of SS-1 and F-SS-1 to mice inhibited passive cutaneous anaphylaxis (PCA) reaction induced by IgE and scratching behaviors induced by compound 48/80. The inhibitory activity of F-SS-1 against scratching behaviors was more effective than that of SS-1. These findings suggest that the fermentation of SS-1 with LAB can increase its antiallergic activity.
Therapeutic Mechanisms of Human Adipose-Derived Mesenchymal Stem Cells in a Rat Tendon Injury Model
Lee, Sang Yoon,Kwon, Bomi,Lee, Kyoungbun,Son, Young Hoon,Chung, Sun G. AMERICAN JOURNAL OF SPORTS MEDICINE 2017 AMERICAN JOURNAL OF SPORTS MEDICINE - Vol.45 No.6
<P>Clinical Relevance: In tendon injury, MSCs can enhance tendon healing by secreting their own protein and have potential as a therapeutic option in human tendinopathy.</P>